Most Popular Books
- Ferskvandsalger Fra Novaja Semlja Samle De Af Dr. Kjellman Paa Nordenskiölds Expedition 1875
- Report of the Second Norwegian Arctic Expedition in the Fram 1898-1902 ..
- Report of the Second Norwegian Arctic Expedition in the "Fram", 1898-1902. Published by Videnskabs-selskabet i Kristiania, at the Expense of the Fridjof Nansen Fund for the Advancement of Science
- Report of the Second Norwegian Arctic Expedition in the "Fram", 1898-1902. Published by Videnskabs-selskabet i Kristiania, at the Expense of the Fridjof Nansen Fund for the Advancement of Science
- Beiträge zur Entwickelungsgeschichte der physiologischen Gewebesysteme bei einigen Florideen
